function newImage(arg) {
  try {
    if (document.images) {
      rslt = new Image();
      rslt.src = arg;
      return rslt;
    }
  } catch(e) {}
}

function changeImages() {
  try {
    if (document.images && (preloadFlag == true)) {
      for (var i=0; i<changeImages.arguments.length; i+=2) {
        document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
      }
    }
  } catch(e) {}
}

var preloadFlag = false;
function preloadImages() {
  try {
    if (document.images) {
      home2 = newImage("../img/home2.gif");
      news2 = newImage("../img/news2.gif");
      haendler2 = newImage("../img/haendler2.gif");
      kontakt2 = newImage("../img/kontakt2.gif");
      shop2 = newImage("../img/shop2.gif");
      preloadFlag = true;
    }
  } catch(e) {}
}